Ceiling fan



FIG. 1 is a perspective view of a ceiling fan showing my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a top plan view thereof; and

FIG. 4 is a side elevation view thereof, the opposite side being a mirror image of that shown.

The fragmentary broken line showing of a support stem in FIGS. 1 and 4 is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a ceiling fan, as shown and described. 